Home / 209,581.64-289,516.74-186,913.37

Finding the Fourth Proportional to 209,581.64, 289,516.74 and 186,913.37

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Solution

The fourth proportional to 209,581.64, 289,516.74 and 186,913.37 is: 258,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,581.64 : 289,516.74 = 186,913.37 : x
  2. Step 2: Convert to fraction form
    209,581.64/289,516.74 = 186,913.37/x
  3. Step 3: Cross multiply
    209,581.64x = 289,516.74 × 186,913.37
  4. Step 4: Simplify right side
    209,581.64x = 54,114,549,544.81
  5. Step 5: Solve for x
    x = 54,114,549,544.81/209,581.64
  6. Step 6: Final answer
    x = 258,202.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.